No oil pressure at start up

Submitted: Thursday, Mar 20, 2003 at 21:44
ThreadID: 3968 Views:1845 Replies:8 FollowUps:3
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Hi i have an hj47
just gave the old girl an oil change + filter and now in the morning
on start up no oil pressure engine will run for 3sec and stop
restart second time have oil pressure all is ok
replace oil and filter and same problem if as the oil is draining out of the oil filter over night never has this prob before
any idea what wrong

just got and toyota filter to day will try that on the weekend

the two filter i use were valvoline and rycoh
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Reply By: GOB - Thursday, Mar 20, 2003 at 21:51

Thursday, Mar 20, 2003 at 21:51
swampy this may be a stupid question but do you put oil into filter before screwing it back onto car and also smear oil around rubber seal as if you dont put oil in sometimes the pump just bypasses the filter i normally half fill filter before putting it on 89 nissan looking foward to august and more travelling
AnswerID: 15734

Follow Up By: Mick - Thursday, Mar 20, 2003 at 23:16

Thursday, Mar 20, 2003 at 23:16
No need to do that GOB - pump fills it almost instantly!!
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FollowupID: 9587

Reply By: swampy - Thursday, Mar 20, 2003 at 22:11

Thursday, Mar 20, 2003 at 22:11
no i dont 1/2 full the filter but i will the new toyota filter i got
yes with the oil around the seal
i been having the pressure problem in the morning every morning
since this oil change as if the oil filter is draning out over night
AnswerID: 15736

Follow Up By: GOB - Thursday, Mar 20, 2003 at 22:18

Thursday, Mar 20, 2003 at 22:18
my dad had a toyota crown, had a service done mechanic did nt put oil in filter and it had same symptoms as yours start up once no pressure start up 2nd time ok i took filter off put oil in put back and away it went sweet as just used same filter89 nissan looking foward to august and more travelling
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FollowupID: 9579

Reply By: Truckster - Thursday, Mar 20, 2003 at 22:11

Thursday, Mar 20, 2003 at 22:11
I had the same problem with the GQ when I used COOPERS oil filters.

went back to Genuine Nissan ones and sweet as...

what brand of filters? Coopers have no drain back valve in the filtes.
AnswerID: 15737

Follow Up By: Truckster - Thursday, Mar 20, 2003 at 22:12

Thursday, Mar 20, 2003 at 22:12
Oops just say the Ryco filters at the end....

Could just be dud filters... it happens
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FollowupID: 9578

Reply By: swampy - Thursday, Mar 20, 2003 at 22:16

Thursday, Mar 20, 2003 at 22:16
the 2 filter are ryco and valvoline i use
the new one i got today is a toyota
AnswerID: 15738

Reply By: fred - Friday, Mar 21, 2003 at 17:27

Friday, Mar 21, 2003 at 17:27
Friend had problem with 4.2 Nissan with Valvoline filters - Ryco OK - about 2 seconds delay
AnswerID: 15792

Reply By: Darryn - Friday, Mar 21, 2003 at 21:40

Friday, Mar 21, 2003 at 21:40
Swampy does the engine fire on all 6 cylinders and idle at the correct speed when first started? If not start it with your foot on the accelerator so when it starts it runs up to 1000 rpm or so and the oil pressure will come up straight away. Don't worry it wont hurt the engine, just let it come back to idle as soon as the oil presssure is up. I had the same problem with a 2H and it ended up air locking the oil pump and not pumping at all. This caused a lot of mucking about including pulling the sump off twice, looking at the oil pick up pipe for cracks and trying to see if the oil pump drive was stripped or the gears broken. After finding nothing we had to prime the oil pump in through the pressure relief valve on the side of the pump with grease which worked and from then on I started it as above with no further problems. From memory it had a Ryco filter at the time and I always filled the new filter with oil before fitting.
Regd's Darryn
AnswerID: 15819

Reply By: swampy - Friday, Mar 21, 2003 at 22:11

Friday, Mar 21, 2003 at 22:11
the engine fire on all 6 cylinders and idle at the correct speed when first started? yes and after a 3-5sec it will cut out
AnswerID: 15822

Reply By: mitch - Saturday, Mar 22, 2003 at 21:47

Saturday, Mar 22, 2003 at 21:47
Gday swampy, now you know your old 47 has a low oil pressure cut out so l wont talk about that but now that l think about it my old 60 did the same thing ,cut out on the first start of the day.With no throttle it would stop after a few seconds unless that first start was at a fast ide , got the pressure up before the cut out , but l cant remember the last time it happened.I used Ryco filters and valvoline oil but as it takes 10 odd liters of oil per change l started to buy Rimula X in 20 L drums and now l cant remember the last tme it happened
AnswerID: 15888

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